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I invite you to look at the "pictures" related to radio technology in 1930. They come from various sources. The gallery has its sister version in Polish and Russian. Versions in other languages will be added successively. More detailed descriptions can be found in other language versions (articles are related and can be displayed by clicking on the icons with flags on the left, top of the TRIODA website). Of course, I will complement translations of signatures quite slowly. All descriptions are displayed using the present tense and not the past - this is not a mistake only deliberate action - a reference to the original descriptions from those years. In order not to delay the possibility of viewing the gallery, this site is made available as a "site under construction" - for which I apologize to all guests.At the beginning and end of each set of photographs there are links allowing to change the period - calendar year.

Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

With a little help of Allegro (online auction site) I became the owner of the 100BIS PS1 tube device. Although I bought it outside the auction but Allegro was unwittingly involved in the transaction. The manufacturer of the device apparently did not attach importance to such a "trifle" as the device name. According to the inscription on the front panel and content of the Instruction Manual I bought a "control panel", and according to the rating plate information and leaflet I bought a "control console". So let me use the following description of the term -"tube mixer".

Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

Under the name ofA. R.Electronicshides AudioElectronicsCompany - a smallworkshopproducingtube amplifiers in Gdańsk. For the first time I saw a product of this companyat the endof the 90-ies of the last century, whenI becamethe happy owner ofthe amplifierwith the symbolSE-41. Unfortunately,I do not knowif the companystill exists, because for some time I have no information about newA.R.Electronics amplifiers.Anyway,in the secondary marketone can meetthe A.R. Electronicsamplifierscharacterized by good sonic parameters and interestingdesign line. Despite the lack ofinformation in theofficial offer, A.R.Electronicsproduce or produced not only amplifiers but alsootheraudioequipmentsuch astubepreamplifiers. They weremade toindividual orderorin a small number of units. To this typeofproducts belongs a tube preamplifierwiththesymbol PL-02.

Tube amplifier named "Auris" was produced by Audio-Akustyka. According to the specification, it can work as a pentode or triode amplifier, in Push-pull or Single-ended mode, with or without a negative feedback, and in the mysterious "turbo" mode. The manufacturer does not allow peering into the housing due to the use of many "non-standard proprietary solutions". Time to break the seals and keep one's ear to the ground.

Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

Although the Ayon Orion tube amplifier is already presented in the TRIODA Web Gallery, but because of the fact that I had the opportunity to see the interior of the same amplifier, but of very different interior, I decided to share a set of photos with other details of this interesting device.

Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

QUAD 22 preamp was designed to work with one (mono system) or two (stereo system) QUAD II amps. Its features, in particular, interchangeable external modules predestined it to act as an audio system control device. This has been reflected in the name of the device, which identifies them not as a typical preamp but the control unit (full, original name is "The Quad 22 Control Unit." Due to the fact that even the manual is common for QUAD 22 Control Unit and QUAD II amplifier, photographic presentation begins with a few shots of full audio system designed for stereo reproduction.